from yt._typing import KnownFieldsT
from yt.fields.field_info_container import FieldInfoContainer
m_units = "Msun/h"
p_units = "kpccm/h"
r_units = "kpccm/h"
v_units = "km/s"
[docs]
class AHFHalosFieldInfo(FieldInfoContainer):
# See http://popia.ft.uam.es/AHF/files/AHF.pdf
# and search for '*.AHF_halos'.
known_particle_fields: KnownFieldsT = (
("ID", ("", ["particle_identifier"], None)),
("hostHalo", ("", [], None)),
("numSubStruct", ("", [], None)),
("Mvir", (m_units, ["particle_mass"], "Virial Mass")),
("npart", ("", [], None)),
("Xc", (p_units, ["particle_position_x"], None)),
("Yc", (p_units, ["particle_position_y"], None)),
("Zc", (p_units, ["particle_position_z"], None)),
("VXc", (v_units, ["particle_velocity_x"], None)),
("VYc", (v_units, ["particle_velocity_y"], None)),
("VZc", (v_units, ["particle_velocity_z"], None)),
("Rvir", (r_units, ["virial_radius"], "Virial Radius")),
("Rmax", (r_units, [], None)),
("r2", (r_units, [], None)),
("mbp_offset", (r_units, [], None)),
("com_offset", (r_units, [], None)),
("Vmax", (v_units, [], None)),
("v_sec", (v_units, [], None)),
("sigV", (v_units, [], None)),
("lambda", ("", [], None)),
("lambdaE", ("", [], None)),
("Lx", ("", [], None)),
("Ly", ("", [], None)),
("Lz", ("", [], None)),
("b", ("", [], None)),
("c", ("", [], None)),
("Eax", ("", [], None)),
("Eay", ("", [], None)),
("Eaz", ("", [], None)),
("Ebx", ("", [], None)),
("Eby", ("", [], None)),
("Ebz", ("", [], None)),
("Ecx", ("", [], None)),
("Ecy", ("", [], None)),
("Ecz", ("", [], None)),
("ovdens", ("", [], None)),
("nbins", ("", [], None)),
("fMhires", ("", [], None)),
("Ekin", ("Msun/h*(km/s)**2", [], None)),
("Epot", ("Msun/h*(km/s)**2", [], None)),
("SurfP", ("Msun/h*(km/s)**2", [], None)),
("Phi0", ("(km/s)**2", [], None)),
("cNFW", ("", [], None)),
)